Battery post clamp



July 26, 1938. 0. L. SCHANBACHER BATTERY POST CLAMP Filed NOV. 8, 1937 Inventor Patentedv July 26, 1938 I UNITED STATES PATENT OFFICE v BATTERY POST CLAMP Orville L. Schanbacher, Mansfield, Pa. Application November 8, 1937, SerialvNo. 173,494 1 Claim. (Cl. 173-259) This invention relates to a novel mechanical side thereof. These lugs are disposed diametriclamping device usable asaterminal' or connector cally opposite to the clamping unit I3. The between a, current conductor strap and a storage clamping unit is an independent part and is battery, and the purpose of the invention is to slipped into the collar and then inserted in the generally improve upon devices of this type by accommodation or keeper notch l2. 5 providing one embodying novel improvements and The looking or retaining unit l3 comprises a refinements believed to be more aptly fitted for metal pin cylindrical in cross sectional form to the purposes intended. provide what may be conveniently called a spindle.

InHworking out a structure susceptible of This is mounted for oscillation in the adapter overcoming recognized objections I have perfectnotch l2. It is provided at longitudinally spaced ed a simple and expedient assembly which will points with flanges and the flanges are fashioned aifordgood electrical contact, will remain efiecinto simultaneously operable binding cams l6.

tively and firmly in place yet can be readily re- The cams aredisposed above and below the shank leased and removed when occasion demands, the portion IL} The upper part of the pin is of latter result being obtained through the use of an polygonal cross sectional form as indicated at ll oscillatory locking cam. to provide a convenient tool grip, and this is pref- Other features and advantages will become erabl'y provided with a finger grip or handle as more readily apparent from the following deat l8. Under ordinary circumstances, the handle scriptions and drawing. l8 will serve to turn'the locking unit iii in a posi- In the drawing, wherein like numerals are emtion to clamp it or release it, as the case may be. ployed to designate like details and parts through- Under such conditions as the part I8 cannot be out the same: conveniently grasped and used, the tool grip I! Figure 1 is a top plan view showing a fragmay be utilized. It is desirable however, to promentary portion of the strap, the storage battery, videa structure which does not require the use the post, and the improved strap attaching clamp of special tools, and hence it is proper to visualize or terminal-connector as perfected in accordance the unit l3 as a hand oscillated retainer. When -with my ideas. his in the assembled position. seen in Figure 5,

Figure 2 is a side elevational view of the'sam'e. it is obvious that the cams l6 swing in against.

Figure 3 is atop plan view of the, post embracthe post and thus serve to maintain an effective ing collar or clamping head, the retaining cam engagement of the contact lugs l4 therewith. unit being removed. This type of grip is maintained even after the post Figure 4 is a section through the cam retaining wears,'-since the cams are progressively adjustable element. to an obvious and reasonable extent.

Figure 5 is a fragmentary longitudinal sectional It is evident that the retaining unit I3is replaceview on the irregular line 5-5 of Figure 3. able if and when excessively worn. As a general Referring now to the drawing by distinguishing proposition, however, it will last the life of the reference numerals it will be observed that the average carand during its use will serve advanstorage battery is indicated at 6 and this is protageously and effectively. vided with the customary or conventional termi- It is thought that the description taken in nalpost I. The current conducting strap, cable. connection with the drawing will enable a clear 40 or equivalent part is denoted by the numeral 8 understanding of the invention to be had. Thereand this is attached to the post through the fore, a more lengthy description is thought unmedium of the improved clamping or terminal necessary. 4

means. The preferred embodiment comprises a While the preferred'embodiment of the inhead or body of brass or equivalent material as at vention has been shown and" described, it is to 9, this being fashioned into airing-like collar m I be understood that minor changes coming within adapted to embrace the post. The main segment the field of invention claimed may be resorted to is of requisite vertical dimensions as shown to if desired. advantage in Figure 2 while the shank portion is I claim;

thinned flattened as at This flattened A battery post terminal of the class described sha is p ov W 2 m notch to comprising a single casting of electrical conduccommodate he locking; 0.1? i i i fi ting material fashioned to provide a collar adaptnt main sesmen isp ovi with ed to embrace the battery terminal post, said Se Of circumferentiallr 'ced contact 1118 collar including a predetermined portion built H to eflectively g p 1 n t e P081? On one to provide a post engaging segment, said segment ll 1 having a post. embracing plurality of battery post contactim lugs, the reflattened shank, *said' ahajnk being substantially rectangular in erss sectional form and provided with a'retainer accommodation notch, said notch f;

j operating handle.

being located diametrically opposite in relation to said post lugs, and a retainer, said retainer including a spindle pin portion operable in the notch and further having upper and lower cam -shaped flanges, vsaid flanges being disposed above and below the shank and in contact said shank and adapted to engage the batter Post, one end of said pin being provided with an ORVILLE L. 

